Kamen Rider Series: Season 33, Episode 5

33 - 5: Chance Meeting IV: Duo Concentration

Nago is now cured and found a new way to live normally thanks to Keiwa. In response to Kanato's betrayal and disqualification, a mysterious A.I. Kamen Rider Punkjack replaces him to presumably accompany Morio on the third bout at D.G.P. admins' behest.